Which One of the Following Statements About Forecasting Is FALSE

question 8

Multiple Choice

Which one of the following statements about forecasting is FALSE?

• A)The method for incorporating a trend into an exponentially smoothed forecast requires the estimation of three smoothing constants: one for the mean,one for the trend,and one for the error.
• B)The cumulative sum of forecast errors (CFE)is useful in measuring the bias in a forecast.
• C)The standard deviation and the mean absolute deviation measure the dispersion of forecast errors.
• D)A tracking signal is a measure that indicates whether a method of forecasting has any built-in biases over a period of time.

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Definitions:

Melatonin

A hormone secreted by the pineal gland that regulates sleep and wakefulness.

Glucocorticoid

One of a group of steroid hormones, such as cortisol, secreted in times of stress; important in protein and carbohydrate metabolism.

EEG Patterns

Distinctive electrical activity patterns of the brain, as recorded by electroencephalography, that can indicate normal or abnormal brain function.

REM Sleep

A phase of sleep characterized by rapid eye movements, low muscle tone, and vivid dreams, playing a crucial role in emotional regulation and memory consolidation.